diff --git a/dnn/scripts/opr_param_defs.py b/dnn/scripts/opr_param_defs.py
index c692f5ea..3d16e178 100755
--- a/dnn/scripts/opr_param_defs.py
+++ b/dnn/scripts/opr_param_defs.py
@@ -935,3 +935,5 @@ when the ``I`` suffix is present.
  add_enum_alias('Format', 'ConvolutionV0').
  add_enum_alias('ComputeMode', 'Convolution', name_field="compute_mode")
  )
+
+